IN preparing skeletons of the frog, my students came across the following abnormalities in the vertebral column, a record of which may be not without interest:— ...
ATTENTION has recently been drawn to abnormalities in the vertebral column of Rana. (See Bourne, Quarterly Journal of Microscopical Science, January 1884; Howes, Anatomischer Anzeiger, 1 Jahrgang, ...